El índice de calidad antioxidante de la dieta (DAQS) está asociado con la masa ósea evaluada mediante ultrasonido cuantitativo en el calcáneo en mujeres jóvenes
Introduction: Evidence suggests that intake of antioxidants could positively infl uence bone mass by preventing bone metabolism against
oxidative stress.
Objective: We aimed to investigate the possible infl uence of single antioxidant intakes and dietary antioxidant quality score (DAQs) on calcaneal
quantitative ultrasound (QUS) in a population of young adults.
Methods: A total of 605 young Spanish adults participated in this study (median age 20.38 ± 2.67). Bone mass was measured by calcaneal QUS
to determine broadband ultrasound attenuation (BUA, dB/MHz) parameter. Body composition was assessed by bioelectrical impedance analysis
and dietary intakes were determined using a 72-hour diet recall interview. DAQs was applied to calculate antioxidant nutrients intake. Linear
regression analyses were performed to investigate the possible infl uence of DAQs on calcaneal QUS.
Results: Most of young adults showed a low-quality antioxidant intake (only 17.6% of women and 20.3% of men had a score of 4 or 5 in DAQs).
A positive correlation between DAQs and BUA was observed in women (r = 0.117; p = 0.024). Linear regression analysis revealed that DAQs
was signifi cantly associated with BUA parameter in women after adjusting by body weight, height, calcium intake and physical activity (PA) (p =
0.035). No signifi cant associations between single antioxidant and calcaneus QUS measurement were found.
Conclusion: Our fi ndings suggest that high-quality antioxidant intakes could infl uence bone health in young women. Future studies should further
investigate the protective role of antioxidant nutrients against osteoporosis
